Home / 39,478.97-59,218.44-11,403.05

Finding the Fourth Proportional to 39,478.97, 59,218.44 and 11,403.05

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Solution

The fourth proportional to 39,478.97, 59,218.44 and 11,403.05 is: 17,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,478.97 : 59,218.44 = 11,403.05 : x
  2. Step 2: Convert to fraction form
    39,478.97/59,218.44 = 11,403.05/x
  3. Step 3: Cross multiply
    39,478.97x = 59,218.44 × 11,403.05
  4. Step 4: Simplify right side
    39,478.97x = 675,270,536.15
  5. Step 5: Solve for x
    x = 675,270,536.15/39,478.97
  6. Step 6: Final answer
    x = 17,104.57

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.